noun, plural cal·e·fac·to·ries.
Examples from the Web for calefactory
Large portions also remain of the sacristy, chapterhouse, and calefactory.The Heart of Wessex|Sidney Heath
Leading out of it is the ancient "calefactory," where the fire for the censers and thuribles was preserved.Bell's Cathedrals: The Cathedral Church of Winchester|Philip Walsingham Sergeant
Here is where the Calefactory stood in almost all the old Cistercian monasteries.Mellifont Abbey, Co. Louth|Anonymous